Span calculator for wood joists and rafters also available for the android os.
Floor framing spans syp.
Maximum floor joist span for no.
Ceiling joist span use this table to determine the maximum lengths of ceiling joists based on species of lumber joist spacing and joist size.
These span tables assume installation of at least three joists or rafters that are spaced not more than 24 on center.
Allowable spans for all species and grades of nominal 2 inch framing lumber customarily used in construction.
The loading includes the weight of the structure and other fixed weights which are defined as the dead load.
1 ft 0 3048 m.
The distance you can span a 2 by 10 joist without additional support depends on the species and grade of the wood how far apart the joists are and the expected load on the joists.
Dead load weight of structure and fixed loads 10 lbs ft 2.
Joist span table use these tables to determine floor joist spans based on grade of lumber size of joist floor joist spacing and a live load of 30 lbs ft 2 or 40 lbs ft 2 these tables can also be used to determine deck joist span.
The calculated spans assume fully supported members properly sheathed and nailed on the top edge of the joist or rafter.
Simplified maximum span tables for selected visual and mechanical grades of southern pine lumber in sizes 2 4 thru 2 12.
1 psf lb f ft 2 47 88 n m 2.
Also available for the android os.
Tables listing maximum spans for southern pine joists and rafters are detailed below.
If the re engineering is correct the floors and roof will be fine with spf.
Live load is weight of furniture wind snow and more.
For each application a pdf download is available.
These 46 tables are based upon design values for visually graded southern pine dimension lumber that became effective june 1 2013.
Steel post cap connectors plywood post to beam cleats other connectors deck porch railings code requirements safety deck framing tables codes specifications questions answers about allowable spans for deck floor or porch framing.
Floor joist span tables for various sizes and species of wood.
View joist rafter tables.
Listed are 46 tables based on common loading conditions for floor joists ceiling joists and rafters.
2 grade of douglas fir are indicated below.
